The Murchison meteorite in Australia was found to contain ________
Fill in the blank(s) with correct word
amino acids
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Where on the celestial sphere would you look for the planets?
A. in the zodiac (near the ecliptic) B. on the galactic equator C. at the north celestial pole D. on the celestial equator
Refer to the sketch above of an H-R diagram for a star cluster. Which statement about this cluster is true?
A) It is probably located in the disk of the galaxy. B) It contains some stars that will soon undergo supernova explosions. C) It is probably located in a globular cluster. D) It is probably embedded in a molecular cloud in which new stars are being born.
Kinetic energy of a rolling object
A. Is zero B. Is the same as a non-rotating object with the same speed C. Is greater than that of a non-rotating object with the same speed D. Is less than that of a non-rotating object with the same speed
A 60.0-kg mass person wishes to push a 120-kg mass box across a level floor
The coefficient of static friction between the person's shoes and the floor is 0.700. What is the maximum coefficient of static friction between the box and the floor such that the person can push horizontally on the box and cause it to start moving? A) 0.333 B) 0.500 C) 0.350 D) 0.667 E) 0.700